Improvement in gas-taps



UNITED 'STATES FRANCIS ST. JOHN JONES, OF vCOLLEGE YARD, WORCESTER, ENGLAND,

ASSIGNOR TO WALTER STREETER JONES, OF HARTFORD, CONN.

IMPROVEMENT IN GAS-TAPS.'

Specification forming part of Letters Patent No. 172,881, dated February 1, 1876; application filed May 25, 1875.

To all whom it may concern:

Be it known that l, FRANCIS ST. JOHN JONES, ot' College Yard, Worcester, England, have invented an 1m proved Gas-Tap, of which the following is a specication, reference being had to the accompanying drawings, Where- Figure l is a side view of the gas-tap, closed. Fig. 2 is a side view of the gas-tap, open. Fig. 3 isa View of the gas-tap, as adjusted in Fig. l, vin central vertical longitudinal section. Fig. 4 is a central horizontal longitudinal section on the plane x, tap closed. Fig. 5 is a vertical transverse section on plane a." ac. I

The invention is a gas-tap, which locks when closed, and which, by spring-pressure on the plug, takes up its own wear.

The bodyuJ is of eornuion construction. The plug b is the frustuni of'a cone fitting to a correspondin g seat. From its top extends the rod c, square or polygonal in cross-seeton for ,a short dista-nee, and then itniay be round 'ts in a corresponding mortise in the body of the handle f, so that the plug will rotate With the handle, leaving the handle free to. rise and fall. On the base ofthe handle are lugs t', which lit into corresponding mortises or depressions in the faced top of the body a when the tap is closed, as shownin Fig, l, pulled down thereto by the springfthereby securelyr 1 spring e, and handle f, bearing lugs i, fitting to corresponding recesses in the body a, all actin g substantially as shown and described.

l FRANCIS sr. JOHN JONES.

Witnesses:

R. ALBERT BUNDLE, W. L. BYNE, i

.Clerksto Messrs'. Parr, Grz'bblc (It Burton, of 12 Abchurch Lane, in the city of London. 

